How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS200256 Yue Cao | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

Yue Cao haruue.net

CN 1 Routes

AS Data

AS200256

AS200256 – Yue Cao

AS Number	200256
AS Name	CAO-AS
Organization	Yue Cao (org-yc27-ripe)
Country	CN
Website	haruue.net
Number of IPv4 Routes	0
Number of IPv6 Routes	1
ASN type	INDIVIDUAL
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2022-12-30

ASN Intelligence API for production workflows

Use ASN data for AS200256 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2a0a:6040:2d01::/48	AS200256	Yue Cao	Haruue Network United Kingdom	~1×10²⁴

Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS199178 - AS200350'

as-block:       AS199178 - AS200350
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2025-11-24T15:16:53Z
last-modified:  2025-11-24T15:16:53Z
source:         RIPE

% Information related to 'AS200256'

% Abuse contact for 'AS200256' is 'abuse@haruue.net'

aut-num:        AS200256
as-name:        CAO-AS
org:            ORG-YC27-RIPE
sponsoring-org: ORG-ZHL2-RIPE
import:         from AS-ANY accept ANY
export:         to AS-ANY announce AS200256
admin-c:        YCAD1-RIPE
tech-c:         YCAD1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         YC3254-MNT
created:        2022-12-30T10:13:09Z
last-modified:  2023-01-02T06:10:28Z
source:         RIPE

organisation:   ORG-YC27-RIPE
org-name:       Yue Cao
country:        CN
org-type:       OTHER
address:        Longze Rd 2, Longnan County, Ganzhou, Jiangxi, China
abuse-c:        YCAD1-RIPE
mnt-ref:        CLOUDIE-MNT
mnt-by:         YC3254-MNT
created:        2022-11-28T15:22:36Z
last-modified:  2022-12-30T10:13:09Z
source:         RIPE # Filtered

role:           Yue Cao Abuse Department
address:        Longze Rd 2, Longnan County, Ganzhou, Jiangxi, China
abuse-mailbox:  abuse@haruue.net
nic-hdl:        YCAD1-RIPE
mnt-by:         YC3254-MNT
created:        2022-11-28T15:15:34Z
last-modified:  2022-11-28T17:33:13Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.2 (SHETLAND)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS199178 - AS200350",
    "description" : [ "RIPE NCC ASN block" ],
    "remarks" : [ "These AS Numbers are assigned to network operators in the RIPE NCC service region." ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT" ],
    "date_created" : "2025-11-24",
    "date_updated" : "2025-11-24",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS200256",
    "as_name" : "CAO-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS-ANY accept ANY" ],
    "export" : [ "to AS-ANY announce AS200256" ],
    "organization" : "ORG-YC27-RIPE",
    "sponsoring_organization" : "ORG-ZHL2-RIPE",
    "admin_contacts" : [ "YCAD1-RIPE" ],
    "tech_contacts" : [ "YCAD1-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "YC3254-MNT" ],
    "date_created" : "2022-12-30",
    "date_updated" : "2023-01-02",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-YC27-RIPE",
    "name" : "Yue Cao",
    "type" : "OTHER",
    "address" : [ "Longze Rd 2, Longnan County, Ganzhou, Jiangxi, China" ],
    "street" : "Longze Rd",
    "district" : "Longnan County Ganzhou",
    "state" : "JIANGXI",
    "zip_code" : "2",
    "country" : [ "CN" ],
    "abuse_contacts" : [ "YCAD1-RIPE" ],
    "mnt_ref" : [ "CLOUDIE-MNT" ],
    "mnt_by" : [ "YC3254-MNT" ],
    "date_created" : "2022-11-28",
    "date_updated" : "2022-12-30",
    "source" : "RIPE",
    "addressCountry" : "CHINA"
  },
  "administrative_contacts" : [ {
    "handle" : "YCAD1-RIPE",
    "name" : "Yue Cao Abuse Department",
    "address" : [ "Longze Rd 2, Longnan County, Ganzhou, Jiangxi, China" ],
    "street" : "Longze Rd",
    "district" : "Longnan County Ganzhou",
    "state" : "JIANGXI",
    "zip_code" : "2",
    "country" : "CHINA",
    "abuse_mailbox" : [ "abuse@haruue.net" ],
    "mnt_by" : [ "YC3254-MNT" ],
    "date_created" : "2022-11-28",
    "date_updated" : "2022-11-28",
    "source" : "RIPE",
    "addressCountry" : "CHINA"
  } ],
  "technical_contacts" : [ {
    "handle" : "YCAD1-RIPE",
    "name" : "Yue Cao Abuse Department",
    "address" : [ "Longze Rd 2, Longnan County, Ganzhou, Jiangxi, China" ],
    "street" : "Longze Rd",
    "district" : "Longnan County Ganzhou",
    "state" : "JIANGXI",
    "zip_code" : "2",
    "country" : "CHINA",
    "abuse_mailbox" : [ "abuse@haruue.net" ],
    "mnt_by" : [ "YC3254-MNT" ],
    "date_created" : "2022-11-28",
    "date_updated" : "2022-11-28",
    "source" : "RIPE",
    "addressCountry" : "CHINA"
  } ]
}

Peers

AS Number	Description	Country
AS146950	Haruue Network Limited	HK

Upstreams

AS Number	Description	Country
AS146950	Haruue Network Limited	HK

Frequently Asked Questions

What is ASN AS200256?

ASN AS200256 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS200256?

AS200256 is listed under Yue Cao.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.